Southwest® flights from Raleigh/Durham to Philadelphia from $152

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Low fares from Raleigh/Durham to Philadelphia

$

Raleigh/Durham (RDU)to

Philadelphia (PHL)
Depart: 09/09/2026

One-way

Basic

From
$152
Seen: 8 hrs ago

Raleigh/Durham (RDU)to

Philadelphia (PHL)
Depart: 09/15/2026

One-way

Basic

From
$152
Seen: 18 hrs ago

Raleigh/Durham (RDU)to

Philadelphia (PHL)
Depart: 08/08/2026

One-way

Basic

From
$152
Seen: 8 hrs ago

Raleigh/Durham (RDU)to

Philadelphia (PHL)
Depart: 08/04/2026

One-way

Basic

From
$152
Seen: 4 hrs ago

Raleigh/Durham (RDU)to

Philadelphia (PHL)
Depart: 10/17/2026

One-way

Basic

From
$152
Seen: 11 hrs ago

Raleigh/Durham (RDU)to

Philadelphia (PHL)
Depart: 08/12/2026

One-way

Basic

From
$152
Seen: 2 hrs ago

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Explore flights from Raleigh/Durham to Philadelphia

Aug 2026
From$152*
Seen: 2 hrs ago
One Way/Basic
Sep 2026
From$152*
Seen: 18 hrs ago
One Way/Basic
Oct 2026
From$152*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $152
cmp-daily-histogram-bars-legend-max-price-aria-label $370
Displaying fares for August-2026
  • RDU–PHL, 08/03/2026: From $190
    03

    Mon

    AUG

  • RDU–PHL, 08/04/2026: From $152
    04

    Tue

  • RDU–PHL: cmp-view-offers-disclaimer. Find Offers
    05

    Wed

  • RDU–PHL, 08/06/2026: From $338
    06

    Thu

  • RDU–PHL, 08/07/2026: From $370
    07

    Fri

  • RDU–PHL, 08/08/2026: From $152
    08

    Sat

  • RDU–PHL, 08/09/2026: From $338
    09

    Sun

  • RDU–PHL, 08/10/2026: From $241
    10

    Mon

  • RDU–PHL, 08/11/2026: From $241
    11

    Tue

  • RDU–PHL, 08/12/2026: From $152
    12

    Wed

  • RDU–PHL, 08/13/2026: From $241
    13

    Thu

  • RDU–PHL, 08/14/2026: From $241
    14

    Fri

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    15

    Sat

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    16

    Sun

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    17

    Mon

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    18

    Tue

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    19

    Wed

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    20

    Thu

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    21

    Fri

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    22

    Sat

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    23

    Sun

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    24

    Mon

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    25

    Tue

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    26

    Wed

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    27

    Thu

  • RDU–PHL, 08/28/2026: From $185
    28

    Fri

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    29

    Sat

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    30

    Sun

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    31

    Mon

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    01

    Tue

    SEP

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    02

    Wed

    • Range$152-$370

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Raleigh/Durham Airport
    Arriving at:
    Philadelphia International Airport
    Distance:
    337 miles

    Route Information

    53† Weekly flights

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    There are 53 weekly flights from Raleigh/Durham to Philadelphia on Southwest Airlines.
    To find the lowest fares by day and time to fly Raleigh/Durham to Philadelphia with Southwest, check out our Low Fare Calendar.
    You can rent a car at Philadelphia International Airport book yours with your flight.
    Yes! Flights from Raleigh/Durham to Philadelphia—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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